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of U.S. ARMY RADAR EQUIPMENT PART 1 Early Research and Development - 1918 - 1937 by H. M. DAVIS,
CONFIDENTIAL
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national defense of the United states within the meaning of the Espionage Act, 50 17. S. C. , 31 and 32. as amended. The transmission or the revelation of its contents in any manner to an unauthorized person is prohibited by law. 
Copy No. 27of35copies made xiv plus 69pages and 31 illustrations Historical Section Field office Special Activities Branch Office Service Division Office of the Chief Signal officer Army Service Forces |
Figure 29
MANNING DIAGRAM FOR 1937 DEMONSTRATION
This diagram, from the 1937 report of the Signal Corps Laboratories, shows the coordination of radio detection apparatus, heat detector and searchlight. The word "pointer" in the diagram indicates the heat detector, which in that year was called a "thermal pointer."
SCL Annual Report FY 1937, Fig. 19
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